[alsa-devel] [PATCH 1/15] sound/soc/mxs/mxs-saif.c: add missing iounmap
Wolfram Sang
w.sang at pengutronix.de
Thu Jan 26 14:51:35 CET 2012
Julia,
> iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> @@ -663,18 +663,11 @@ static int mxs_saif_probe(struct platform_device *pdev)
> goto failed_get_resource;
> }
>
> - if (!request_mem_region(iores->start, resource_size(iores),
> - "mxs-saif")) {
> - dev_err(&pdev->dev, "request_mem_region failed\n");
> - ret = -EBUSY;
> - goto failed_get_resource;
> - }
> -
> - saif->base = ioremap(iores->start, resource_size(iores));
> + saif->base = devm_request_and_ioremap(&pdev->dev, iores);
You can skip checking 'iores', too. I also did that in the example, but
a lot of people seem to miss it. Where did you get the information how
to use devm_request_and_ioremap? I probably need to spread the word even
more...
Thanks,
Wolfram
--
Pengutronix e.K. | Wolfram Sang |
Industrial Linux Solutions | http://www.pengutronix.de/ |
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 198 bytes
Desc: Digital signature
Url : http://mailman.alsa-project.org/pipermail/alsa-devel/attachments/20120126/f6033354/attachment.sig
More information about the Alsa-devel
mailing list